HKS developed its Hi-Power Exhaust system for The Subaru WRX and STi. This Hi-Power exhaust offers a greater flow, and higher RPM power gains by eliminating unnecessary bends for the straightest possible exhaust path. By creating smooth exhaust flow, it allows greater exhaust velocity for better mid-range boost response. HKS's Hi-Power Exhaust system is available in two versions, One being the standard HKS Hi-Power, with 3 inch coated mild steel piping, and a stainless steel angled-exit muffler. Second is the HKS Carbon Titanium, Features a carbon fiber wrapped muffler shell, titanium tip, and polished SUS304 stainless steel piping. Both HKS versions have a resonated midpipe, non-tapering 3 inch piping, and a 120mm muffler tip.The HKS Hi-Power Exhaust system will create significant performance gains and, give your Subaru a deep, throaty exhaust tone. All at a great price. This is a direct bolt on performance exhaust system.

NOTE: This Does not clear on vehicles with optional Subaru skid-plate (rear differential)